- ■* 



140 BE, J. SALTEB OF THE TITALITT OF SEEDS 



I 



Ageratvm Mecoicanvm : after 100 days, one seed out of many 

 germinated; at much shorter periods these seeds did not 



germinate well. 



Leontodon Ta/raxacvm : germinated excellently after 61 days' 



*" immersion ; the see<fe were fresh. 



Tussilago Farfara : fresh seeds being placed in the salt water, 

 after 9 days, many of them germinated xmder water. After 

 25 days, I took out some of the young plants and planted 



grew. The germination 



plant 



fMbnolopia Californica. 



^Qenia twhvnata, 



'\ Cosmos hiteus : did not germinate after a month's immersio 



Clarhia pidcTiella : germinated well after 28 days ; was killed 

 "" 64 days' immersion. 

 ^fOodetia ruhicunda. 



t Idndleyana was killed by a month's immersion. 



Apittm gra/oeolens (var. " Cattell's white") : after 137 days o 

 '^ 6 seeds out of some htmdreds germinated : after 85 days 

 seeds germinated excellently; they did not appear to g 



..: . 



imnate quite so well after 82 days in the cold water (f) 

 Daucus carota : a very few germinated after 85 days ; after 

 " 66 days ^ grew (t). 



On the Vitality of Seeds aflfer prolonged Submersion in the Sea. 



By James Salteb, Esq., M.D., F.L.S. &c. 



[Read May 6th, 1856.] \>^ 



are 



engaged 



nunication of sufficient importance to occupy the 

 Linnean Society, had it not come to my know 

 our most distinguished British naturalists is ai 



the vitality of seeds after prolonged submersion in sea-water, 

 especially in reference to the influence which that circumstance 

 would have in explaining some of the problems of geographical 

 vegetable distribution. 



The &cts which I am about to detail, and which eam^ accident- 

 ally imder my notice some years since, bear directly upon this 

 subject, and while, as it seems to me, they establish the doctrine 







\ ^ 





- 'i 



■r t' 



H F ■ 



j.i 



'I r 





1 .V 



'i. , 



\i 







'-,ir^ 











X.J 'V ^ . . J^ ^ 



lV_ h k . ^ ^ t : ^ .'*^.?^^^ ^ - 1^ 







■:-'i 



-\ 



